Home / 286,041.16-394,572.74-178,424.30

Finding the Fourth Proportional to 286,041.16, 394,572.74 and 178,424.30

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Solution

The fourth proportional to 286,041.16, 394,572.74 and 178,424.30 is: 246,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,041.16 : 394,572.74 = 178,424.30 : x
  2. Step 2: Convert to fraction form
    286,041.16/394,572.74 = 178,424.30/x
  3. Step 3: Cross multiply
    286,041.16x = 394,572.74 × 178,424.30
  4. Step 4: Simplify right side
    286,041.16x = 70,401,364,933.58
  5. Step 5: Solve for x
    x = 70,401,364,933.58/286,041.16
  6. Step 6: Final answer
    x = 246,123.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.